package day6.zy2;

public class Test {
    public static String obj1 = "obj1";
    public static String obj2 = "obj2";
    public static void main(String[] args){
        Thread a = new Thread(new Lock1());
        //Thread b = new Thread(new Lock2());
        a.start();
        //b.start();
    }
}
class Lock1 implements Runnable{
    @Override
    public void run(){
        try{
            System.out.println("Lock1 running");
            while(true){
                synchronized(Test.obj1){
                    System.out.println("Lock1 lock obj1");
                    Thread.sleep(3000);
                    synchronized(Test.obj2){
                        System.out.println("Lock1 lock obj2");
                    }
                }
            }
        }catch(Exception e){
            e.printStackTrace();
        }
    }
}
class Lock2 implements Runnable{
    @Override
    public void run(){
        try{
            System.out.println("Lock2 running");
            while(true){
                synchronized(Test.obj2){
                    System.out.println("Lock2 lock obj2");
                    Thread.sleep(3000);
                    synchronized(Test .obj1){
                        System.out.println("Lock2 lock obj1");
                    }
                }
            }
        }catch(Exception e){
            e.printStackTrace();
        }
    }

}
